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Doubles in session


Current system
16317-4149
DUN 202 AC


Nearby doubles
10' : 16316-4139
I 1295AB

39' : 16341-4121
BRT 903

54' : 16278-4118
HDS2327

69' : 16339-4253
RSS 411

73' : 16302-4039
TDS9935

74' : 16258-4221
TDS9896

74' : 16315-4035
TDS9949

75' : 16289-4042
KPP1041

82' : 16364-4252
SNA 42

83' : 16291-4306
TDS9919

85' : 16286-4305
BRT 895

87' : 16376-4053
EGN 18AB

94' : 16297-4320
TDS9925

96' : 16314-4014
WG 189

96' : 16238-4115
HJ 4845

96' : 16317-4013
B 2813AB

96' : 16390-4101
BRT 912

96' : 16260-4051
SEE 275

97' : 16398-4115
KPP1510

102' : 16253-4038
SEE 274AB

102' : 16302-4329
TDS9936

104' : 16252-4035
TDS9887

105' : 16317-4333
DON 802

106' : 16365-4018
SHT 66AB

116' : 16326-4344
I 1587

120' : 16383-4016
CPO 486



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16317-4149 DUN 202 AC

 
 
16h 31m 41.76s -41° 49' 01.7" P.A. 179.00 sep 58.0 mag 5.36,9.79 Sp B1Iae dist. 833.33 pc (2718.32 l.y.)
 
 
Coord 2000 16317-4149 Discov num DUN 202 Comp AC Coord arcsec 2000 16 31 41.76 -41 49 01.7
Date first 1826 Date last 2015 Obs 11
Pa first 190 Pa last 178.6 P.A. Now (θ) 178.6°
Sep first 26.0 Sep last 57.976 Sep. Now (ρ) 57.976"
Mag pri 5.36 Mag sec 9.79 delta mag (ΔM) 4.43 Spectral class B1Iae (blue-white)
Pri motion ra -004 Sec motion ra +002
Pri motion dec -001 Sec motion dec -002
Notes
rPM=1.475
This double is not physical.
 
 
16317-4149 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show NSV7781 226855 16 31 42 -41 49 02 DAW 146 AB 1999 4 127 8.5 5.29 12.50 7.21
Show 226855 16 31 42 -41 49 02 DUN 202 AC 2015 11 179 58.0 5.36 9.79 4.43 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV7781 Constellation Scorpius SAO 226855 HIP 80945
Tycho2 7862-01036-1 Gaia DR2 5968761680983851776 HD 148688 HR 6142
CD CD-4110695 CP CP-41 7500 Distance 833.33 Distance ly 2718.32
 
 
WDS 16317-4149 DUN 202 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Daw1918a Ma - Dawson, B.H. .
Daw1918a Pub. La Plata Obs. 4, Pt.1, 1918
Daw1918b Ma - Dawson, B.H. (measure by Chaves, A.J.) .
Daw1918b Pub. La Plata Obs. 4, Pt.1, 1918
Daw1919 orb - Dawson, B.H. 1919AJ.....32..109D
Daw1919 AJ 32, 109, 1919
Daw1920 orb - Dawson, B.H. 1920AJ.....32..141D
Daw1920 AJ 32, 141, 1920
Daw1920b orb - Dawson, B.H. 1920AJ.....32..161D
Daw1920b AJ 32, 161, 1920
Daw1922 Ma - Dawson, B.H. .
Daw1922 Pub. La Plata Obs. 4, Pt.2, 1922
Daw1922b orb - Dawson, B.H. 1922AJ.....34...17D
Daw1922b AJ 34, 17, 1922
Daw1924a Ma - Dawson, B.H. 1924AJ.....35..147D
Daw1924a AJ 35, 147, 1924 (DAW 112 - 158; data also in Daw1937)
Daw1924b orb - Dawson, B.H. 1924AJ.....36...23D
Daw1924b AJ 36, 23, 1924
Daw1926 orb - Dawson, B.H. 1926AJ.....36..181D
Daw1926 AJ 36, 181, 1926
Daw1927A Ma - Dawson, B.H. 1927sdsc.book......
Daw1927A cited in SDS (Southern Double Star Cat.), 1927
Daw1933 orb - Dawson, B.H. 1933AJ.....43...15D
Daw1933 AJ 43, 15, 1933
Daw1937 Ma - Dawson, B.H. .
Daw1937 Pub. La Plata Obs. 6, 85, 1937
Daw9999 Ma - Dawson, B.H. ...................
Daw9999 Unpublished, manuscript or reference not found.
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16317-4149 DUN 202 AC 1999 8 179 57.6 5.36 9.79 D 163141.76-414901.7
16317-4149 DUN 202 AC 2013 10 178 57.0 5.36 9.79 B1Iae 163141.76-414901.7
16317-4149 DUN 202 AC 2015 11 179 58.0 5.36 9.79 B1Iae 163141.76-414901.7

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 16317-4149 DUN 202 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16317-4149 DUN 202 AC : MEASURES
 
 
No records found.

 
 
WDS 16317-4149 : VIRTUAL EYEPIECE
 
 

16317-4149 DAW 146A mag 5.29 Sp B1Iae 16317-4149 DAW 146B sep 7.2 P.A. 135.50 mag 12.5 16317-4149 DUN 202C sep 58.0 P.A. 179.00 mag 9.79 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16317-4149 : ALADIN DSS IMAGE @ 16h 31m 41.76s -41° 49' 01.7"
 
 
 
 
WDS 16317-4149 DUN 202 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16317-4149 DUN 202AC distance=0' 16316-4139 I 1295AB distance=10' 16341-4121 BRT 903 distance=39' 16278-4118 HDS2327 distance=54' 16339-4253 RSS 411 distance=69' 16302-4039 TDS9935 distance=73' 16258-4221 TDS9896 distance=74' 16315-4035 TDS9949 distance=74' 16289-4042 KPP1041 distance=75' 16364-4252 SNA 42 distance=82' 16291-4306 TDS9919 distance=83' 16286-4305 BRT 895 distance=85' 16376-4053 EGN 18AB distance=87' 16376-4053 EGN 18AC distance=87' 16376-4053 EGN 18AD distance=87' 16376-4053 EGN 18AE distance=87' 16376-4053 EGN 18AF distance=87' 16297-4320 TDS9925 distance=94' 16314-4014 WG 189 distance=96' 16238-4115 HJ 4845 distance=96' 16317-4013 TDS9952Aa,Ab distance=96' 16317-4013 B 2813AB distance=96' 16317-4013 DAM 696AC distance=96' 16390-4101 BRT 912 distance=96' 16260-4051 SEE 275 distance=96' 16398-4115 KPP1510 distance=97' 16253-4038 SEE 274AB distance=102' 16253-4038 SEE 274AC distance=102' 16253-4038 SEE 274AD distance=102' 16302-4329 TDS9936 distance=102' 16252-4035 TDS9887 distance=104' 16317-4333 DON 802 distance=105' 16365-4018 SHT 66AB distance=106' 16326-4344 I 1587 distance=116' 16383-4016 CPO 486 distance=120' 16409-4052 RST1895 distance=120' 16393-4026 RST1893 distance=120' 16384-4324 HJ 4867AB distance=121' 16384-4324 SHT 67AC distance=121' 16384-4324 SHT 67AD distance=121' 16384-4324 SHT 67AE distance=121' 16384-4324 SHT 67AF distance=121' 16384-4324 SHT 67AG distance=121' 16384-4324 SHT 67AH distance=121' 16384-4324 SHT 67AI distance=121' 16228-4300 WFC 173 distance=122' 16273-4346 I 565AB distance=127' 16273-4346 I 565AC distance=127' 16364-4345 I 1589 distance=127' 16351-4351 I 567 distance=128' 16403-4321 BRT 916 distance=133' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 16317-4149 DAW 146 AB 127 8.5
Show 16317-4149 DUN 202 AC 179 58.0
Show 16316-4139 I 1295 AB 65 1.1 10
Show 16341-4121 BRT 903 189 3.7 39
Show 16278-4118 HDS2327 210 0.1 54
Show 16339-4253 RSS 411 69 27.7 69
Show 16302-4039 TDS9935 192 2.0 73
Show 16258-4221 TDS9896 102 0.7 74
Show 16315-4035 TDS9949 115 0.5 74
Show 16289-4042 KPP1041 256 8.3 75
Show 16364-4252 SNA 42 120 6.8 82
Show 16291-4306 TDS9919 77 0.5 83
Show 16286-4305 BRT 895 250 4.2 85
Show 16376-4053 EGN 18 AB 351 3.5 87
Show 16376-4053 EGN 18 AC 4 3.6 87
Show 16376-4053 EGN 18 AD 80 5.1 87
Show 16376-4053 EGN 18 AE 119 6.3 87
Show 16376-4053 EGN 18 AF 236 6.6 87
Show 16297-4320 TDS9925 265 1.0 94
Show 16314-4014 WG 189 253 5.4 96
Show 16238-4115 HJ 4845 125 1.8 96
Show 16317-4013 TDS9952 Aa,Ab 290 0.4 96
Show 16317-4013 B 2813 AB 105 12.9 96
Show 16317-4013 DAM 696 AC 63 10.9 96
Show 16390-4101 BRT 912 102 4.6 96
Show 16260-4051 SEE 275 179 11.9 96
Show 16398-4115 KPP1510 163 11.4 97
Show 16253-4038 SEE 274 AB 240 5.6 102
Show 16253-4038 SEE 274 AC 291 12.7 102
Show 16253-4038 SEE 274 AD 253 26.5 102
Show 16302-4329 TDS9936 166 0.7 102
Show 16252-4035 TDS9887 288 1.2 104
Show 16317-4333 DON 802 176 3.0 105
Show 16365-4018 SHT 66 AB 67 5.6 106
Show 16326-4344 I 1587 34 0.4 116
Show 16383-4016 CPO 486 314 9.2 120
Show 16409-4052 RST1895 224 1.6 120
Show 16393-4026 RST1893 272 0.2 120
Show 16384-4324 HJ 4867 AB 295 16.4 121
Show 16384-4324 SHT 67 AC 274 4.5 121
Show 16384-4324 SHT 67 AD 358 5.2 121
Show 16384-4324 SHT 67 AE 287 6.1 121
Show 16384-4324 SHT 67 AF 132 6.2 121
Show 16384-4324 SHT 67 AG 40 6.6 121
Show 16384-4324 SHT 67 AH 204 6.6 121
Show 16384-4324 SHT 67 AI 41 7.3 121
Show 16228-4300 WFC 173 98 8.3 122
Show 16273-4346 I 565 AB 117 4.4 127
Show 16273-4346 I 565 AC 181 11.9 127
Show 16364-4345 I 1589 262 3.4 127
Show 16351-4351 I 567 306 0.9 128

 
 
WDS 16317-4149 : COMPONENTS
 
 
  A B
B pa=135.5°
sep=7.22"
 
C pa=179.0°
sep=57.97"
pa=184.3°
sep=52.96"
 
 
16317-4149 A
 
 
Name NSV7781 Coord arcsec 2000 163141.76-414901.7 Mag 5.29 Spectral class B1Iae (blue-white)
PmRA -4.00 PmDE -9.0 SAO 226855 HIP 80945
Tycho2 7862-01036-1 HD 148688 HR 6142 GC 22198
CD CD-4110695 CP CP-41 7500
Tycho2
Tycho2 7862-01036-1 Pflag RAmdeg 247.92403496 DEmdeg -41.81714208
PmRA -4.4 PmDE -0.6 E RAmdeg 3 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.51 EpDEm 1990.71
Num 15 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 5.656 E BTmag 0.014 VTmag 5.355
E VTmag 0.009 Prox 579 TYC T HIP 80945
CCDM RAdeg 247.92404833 DEdeg -41.81714056 EpRA 1990 1.78
EpDE 1990 1.18 E RAdeg 3.3 E DEdeg 3.7 Posflg
Corr 0.3
SAO
SAO 226855 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 -0.001 Vmag 5.5 SpType B1p
Double code Source 70 CatNum 22198 DM CD-4110695
DMcomp BDsup HD 148688 M HD 0
GC 22198 RA1950rad 4.31189619 DE1950rad -0.72798435 PmRA2000 -0.0014
PmDE2000 0
Hipparcos
Catalog H HIP 80945 Proxy RAhms 16 31 41.77
DEdms -41 49 01.7 Vmag 5.31 VarFlag 1 R Vmag H
RAdeg 247.924 DEdeg -41.8171 AstroRef Plx 0.38
CCDM 16317-4149 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 148688 BD
CD CD-4110695 CP CP-41 7500 Dm number -4110695 VIred 0.33
SpType B1Ia R SpType Coord arcsec 2000 163141.77-414901.7
Hipparcos 2
HIP 80945 Sn 5 So 0 Nc 1
RArad 4.3270909145 DErad -0.7298468147 Plx 1.2 PmRA -4.35
PmDE -1.37 E RArad 0.29 E DErad 0.19 E Plx 0.33
E pmRA 0.37 E pmDE 0.29 Hpmag 5.387 E Hpmag 0.0027
SHp 0.021 VA 1 BV 0.299 E BV 0.005
VI 0.34
CCDM
Ccdm 16317-4149 RComp Comp A Note1
Note2 Discov num DRAs -0.19 DDEs -1.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.5 Sp B1 PmNote *
PmRA 3 PmDE -5 Dm number -4110695 Cat1 CD
Name2 226855 Cat2 SAO HD 148688 M HD
ADS BDS M ADS BDS N IDS IDS 16247S4136A
HIC 80945
 
 
16317-4149 B
 
 
Coord arcsec 2000 163142.21-414906.9 Mag 12.5 Calc delta mag 7.21 Calc coord yes
CCDM
Ccdm 16317-4149 RComp Comp B Note1
Note2 Discov num DAW 146 DRAs DDEs
R dRAs Year 1921 Theta 131 Rho 8.6
Obs 3 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16247S4136B
HIC 80945
 
 
16317-4149 C
 
 
Coord arcsec 2000 163141.85-414959.7 Mag 9.79 PmRA 2.00 PmDE -2.0
Calc delta mag 4.5 Calc coord yes
CCDM
Ccdm 16317-4149 RComp Comp C Note1
Note2 Discov num DUN 202 DRAs DDEs
R dRAs Year 1836 Theta 180 Rho 58.0
Obs 2 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number -4110694 Cat1 CD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16247S4136C
HIC